Home / 971,311.40-1,456,967.10-551,407.40

Finding the Fourth Proportional to 971,311.40, 1,456,967.10 and 551,407.40

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Solution

The fourth proportional to 971,311.40, 1,456,967.10 and 551,407.40 is: 827,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,311.40 : 1,456,967.10 = 551,407.40 : x
  2. Step 2: Convert to fraction form
    971,311.40/1,456,967.10 = 551,407.40/x
  3. Step 3: Cross multiply
    971,311.40x = 1,456,967.10 × 551,407.40
  4. Step 4: Simplify right side
    971,311.40x = 803,382,440,496.54
  5. Step 5: Solve for x
    x = 803,382,440,496.54/971,311.40
  6. Step 6: Final answer
    x = 827,111.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.